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    <title>未来学业规划</title>
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  font-size: 16px;
  margin: 4px 2px;
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}

.button1 {
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}

.button1:hover {
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}
ul {
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}

li {
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}

li a {
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  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover:not(.active) {
  background-color: #111;
}

.active {
  background-color: #9999ff;
}
li {
  border-right: 1px solid #bbb;
}

li:last-child {
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}
ul {
  position: fixed;
  top: 0;
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}
html,body{
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				height:100%;
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</style>
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